Moved custom table themes to the preamble

lbol.tex

@@ -9,13 +9,19 @@
 \usepackage{float}
 \usepackage{longtable}
 \usepackage{booktabs}
-\usepackage{tabularray}
 \usepackage{lipsum}
 \usepackage{nicefrac}
 \usepackage{quoting}
 \usepackage{wrapfig}
 \raggedbottom
 
+% Easiest tables ever, plus custom table themes
+\usepackage{tabularray}
+\NewTblrTheme{custom1}{
+\SetTblrStyle{contfoot-text}{\small}
+}
+
+
 
 % Where are our images?
 \graphicspath{{./images/},{./standalone/build/}}
@@ -537,9 +543,10 @@ Spacing commands can be found in math mode, but most of the ones in the table be
 \begin{longtblr}
 [
 	caption = {Horizontal Spacing Characters},
-	label   = {tb:horspacchar}
+	label   = {tb:horspacchar},
+	theme   = {custom1}
 ]{
-	width   = {0.8\textwidth},
+	width   = {\textwidth},
 	colspec = { X[3,l] X[1,c] X[1,c] },
 	hlines  = {0.75pt,solid},
 	vline{1,4}  = {0.75pt,solid},
@@ -1828,15 +1835,11 @@ As you might expect, \LaTeX{} excels at typesetting symbols. Below is a \textbf{
 
 For additional information, consult the \textit{very} extensive ``Comprehensive \LaTeX{} Symbol List'' which you can find at \kref{https://ctan.org/pkg/comprehensive?lang=en}{https://ctan.org/pkg/comprehensive?lang=\\en}.
 
-\NewTblrTheme{symbols}{
-\SetTblrStyle{contfoot-text}{\small}
-}
-
 \begin{longtblr}
 [
 	caption = {Miscellaneous Symbols in \LaTeX{} },
 	label   = {tb:miscsym},
-	theme   = {symbols}
+	theme   = {custom1}
 ]{
 	width   = {\textwidth},
 	colspec = {